Home / 344,809,780.80-517,214,671.20-283,587,777.60

Finding the Fourth Proportional to 344,809,780.80, 517,214,671.20 and 283,587,777.60

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Solution

The fourth proportional to 344,809,780.80, 517,214,671.20 and 283,587,777.60 is: 425,381,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,809,780.80 : 517,214,671.20 = 283,587,777.60 : x
  2. Step 2: Convert to fraction form
    344,809,780.80/517,214,671.20 = 283,587,777.60/x
  3. Step 3: Cross multiply
    344,809,780.80x = 517,214,671.20 × 283,587,777.60
  4. Step 4: Simplify right side
    344,809,780.80x = 146,675,759,147,722,720
  5. Step 5: Solve for x
    x = 146,675,759,147,722,720/344,809,780.80
  6. Step 6: Final answer
    x = 425,381,666.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.